z3-z3-4.13.0.src.math.lp.indexed_vector_def.h Maven / Gradle / Ivy

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A self-unpacking, standalone Z3 distribution that ships all required native support code and automatically unpacks it at runtime.

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/*++
Copyright (c) 2017 Microsoft Corporation

Module Name:

    

Abstract:

    

Author:

    Lev Nachmanson (levnach)

Revision History:


--*/
#pragma once

#include "util/vector.h"
#include "math/lp/indexed_vector.h"
#include "math/lp/lp_settings.h"
namespace lp {


void print_vector_as_doubles(const vector & t, std::ostream & out) {
    for (unsigned i = 0; i < t.size(); i++)
        out << t[i].get_double() << std::setprecision(3) << " ";
    out << std::endl;
}

template 
void indexed_vector::resize(unsigned data_size) {
    clear();
    m_data.resize(data_size, numeric_traits::zero());

}

template 
void indexed_vector::set_value(const T& value, unsigned index) {
    m_data[index] = value;
    lp_assert(std::find(m_index.begin(), m_index.end(), index) == m_index.end());
    m_index.push_back(index);
}

template 
void indexed_vector::clear() {
    for (unsigned i : m_index)
        m_data[i] = numeric_traits::zero();
    m_index.resize(0);
}
template 
void indexed_vector::clear_all() {
    unsigned i = m_data.size();
    while (i--)  m_data[i] = numeric_traits::zero();
    m_index.resize(0);
}
template 
void indexed_vector::erase_from_index(unsigned j) {
    auto it = std::find(m_index.begin(), m_index.end(), j);
    if (it != m_index.end())
        m_index.erase(it);
}

template 
void indexed_vector::print(std::ostream & out) {
    out << "m_index " << std::endl;
    for (unsigned i = 0; i < m_index.size(); i++) {
        out << m_index[i] << " ";
    }
    out << std::endl;
    print_vector(m_data, out);
}

}